Style de citation APA (7e éd.)

Spuler, B., Allen, C. G., Saunders, N., & Fletcher, J. (1980). Rulers and governments of the world (Repr. (twice).). Bowker.

Style de citation Chicago (17e éd.)

Spuler, Bertold, Charles Geoffry Allen, Neil Saunders, et John Fletcher. Rulers and Governments of the World. Repr. (twice). London ; New York: Bowker, 1980.

Style de citation MLA (9e éd.)

Spuler, Bertold, et al. Rulers and Governments of the World. Repr. (twice). Bowker, 1980.